13904470424 has 64 divisors (see below), whose sum is σ = 29269658880. Its totient is φ = 6148800000.

The previous prime is 13904470421. The next prime is 13904470451. The reversal of 13904470424 is 42407440931.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13904470421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304274 + ... + 346974.

It is an arithmetic number, because the mean of its divisors is an integer number (457338420).

Almost surely, 2^13904470424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13904470424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14634829440).

13904470424 is an abundant number, since it is smaller than the sum of its proper divisors (15365188456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13904470424 is a wasteful number, since it uses less digits than its factorization.

13904470424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42852 (or 42848 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 13904470424 in words is "thirteen billion, nine hundred four million, four hundred seventy thousand, four hundred twenty-four".